CN207349318U - Elastic extension fixture for automobile drum brake - Google Patents
Elastic extension fixture for automobile drum brake Download PDFInfo
- Publication number
- CN207349318U CN207349318U CN201720474092.6U CN201720474092U CN207349318U CN 207349318 U CN207349318 U CN 207349318U CN 201720474092 U CN201720474092 U CN 201720474092U CN 207349318 U CN207349318 U CN 207349318U
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- China
- Prior art keywords
- extension fixture
- spring
- rod piece
- brake
- spring bridge
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- 230000008859 change Effects 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 7
- 210000000003 hoof Anatomy 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000036299 sexual function Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/10—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes
- F16D51/12—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes mechanically actuated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
- F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
- F16D51/20—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/58—Mechanical mechanisms transmitting linear movement
- F16D2125/60—Cables or chains, e.g. Bowden cables
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/58—Mechanical mechanisms transmitting linear movement
- F16D2125/64—Levers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
It the utility model is related to a kind of resilient expansion device (1) for being used for automobile drum brake (2), with two brake-shoes (3,4) device between, wherein, the extension fixture (1) include two it is being hingedly connected with each other with common axis (12) and be supported in brake-shoe (3 respectively, 4) rod piece (5 on, 6), wherein, the rod piece (5,6) spring bridge (10) is integrated with, it is arranged to can flexiblely reset crust deformation by braking tensile force Fe with intended manner.While structure size is miniaturized, realize that a kind of very firm and height converts but cost is not high, has the extension fixture 1 of more high flexibility, this is by the rod piece (5,6) more spring bridges (10 are integrated in the side of its common axis (12), 10', 11) what mode was realized.
Description
Technical field
The present invention relates to a kind of extension fixture for automobile drum brake, wherein, the extension fixture is substantially centered
Ground is arranged between two brake-shoes, and the extension fixture includes at least two rod pieces, and at least two rod piece is mutually hinged
And each it is supported on a brake-shoe, at least one and execution of actuator in the rod piece of extension fixture adjusts fortune
Dynamic operating element engages, and actuator is used for so that brake-shoe carries out uniform, parallel-moving type orientation towards the direction of brake drum
And by being driven converted extensional motion, and with form for elasticity it is spring bridge 10, integrate in prescribed way
Flexible flexibility/amount of deflection in other words.
Background technology
A kind of electronic drum brake system as known to 9 097 300 B1 of patent document US, has and is arranged to bending resistance
Rigid expansion transmission mechanism and bowden wire articulation piece.Flexibility scratch in other words sexual function by it is outside extension fixture, with pre-
Form, the single compression spring of the spring energy storage device of load undertakes.For this reason, the compression spring is placed in the outer of actuator with being tensioned
In shell groove, and close by cover piece.Said system is required for improving in terms of number of parts and structure size.
Therefore, this kind of extension fixture defines the rod piece of more lateral-supportings, therein at least one to be integrated with energy
Spring assembly that elasticity reversibly deforms in prescribed way in the case where braking tensile force, spring bridge form, in order to avoid unnecessary
Repeat, clearly quote the drum brake of flexible extension fixture according to 2015/082206 A2 of WO herein
Entire disclosure.
The content of the invention
In view of this, the present invention is to be based on this purpose, i.e.,：Can be configured to by integrating one kind by highly stable and high turn
Change but cost is not high, has the extension fixture of more high flexibility flexibility/amount of deflection in other words, and the extension fixture is in structure size
Can even it be applied in traditional drum brake without the special change of constitutional detail and ancillary equipment while micromation as far as possible
On the brake backing plate of system.
The present invention is by constructing open-and-shut structure, can rotate simultaneously energy phase reversal in opposite directions centered around an axis by two
The rod piece 5,6 that supports dynamicly solves the problems, such as to propose, the rod piece between each other, on the side of its common balance staff 12
It is integrated with more spring bridge 10,10', 11.The present invention is rational same in input in the case of frame mode is substantially greater compactness of
When, allow flexible more times of increase.Space-efficient structure is saved by it, the extension fixture 1 can be completely used for having relatively firm
Spend the wheel braking actuator of high operating element (short tow rope, few flexible).
According to the present invention, the spring bridge 10,10', 11 set and alternately abreast set, divide in the axial direction parallel
Group is set, and thus form structure size closely.Accordingly, occurs a kind of structure of almost symmetry in side view.
Between the rod piece 5,6, define to a certain extent it is a kind of it is placed in the middle, with the perfectly aligned articulated structure of operating element 7.
Accordingly, transmission mechanism dynamics is such so that is positioned in (rotation) axis 12 at center between described two rod pieces 5,6
Almost synchronously linearly stagger with the regulating element 7 jointly in regulation flow process.
It is described for the modification in physics-structure of spring performance/elastic performance of the flexible extension fixture 1
The spring bridge 10 of rod piece 5,6,10', 11 can be arranged to connect parallel to each other in energy stream.In another modification, in order to
Other different designs are obtained, in addition spring bridge be able to can be connected in series with each other in energy stream.Finally, also it is also contemplated that one kind
Mix modification, its defined in the case of combination spring bridge at the same time be connected in series and be connected in parallel.
In space-efficient frame mode is saved, rod piece 5 can be arranged in the axial direction there are gap portion, i.e., in forked
Ground is distributed.In addition, the embodiment regulation in a kind of corresponding structure, mutual parallel and with a distance with a distance there are two
Spring bridge 10, the 10' to stagger, the spring bridge are defining gap/air gap between each other, and being received in the gap formed has
The spring bridge 11 of opposition rod piece 6.
In the preferred embodiment of the present invention, in addition the extension fixture 1 has nonlinear, spring
Power-stroke-characteristic curve.Accordingly, it advantageously avoid rigid linear power-stroke-function.This can realize one in principle
The tensile force that kind accelerates is established.On the other hand, the length caused by heat changes to compensate the change of tension force.In ideal situation
Under, all spring bridges 10,10', 11 spring performance gathered/spring effect are designed to tensioning in this case
Power be incremented by and it is decrescence curved.Therefore, because the requirement that stroke is adjusted to it is restricted, the present invention has by the flexibility of multiplication
Beneficial to the actuating mechanism 8 of protection electromechanical.Therefore, the stand-by time of motor is maximized by the turn-on time of shortening, or
Person says, quickly realizes tensile force foundation.Alternative is that one kind sets simple therefore cost very advantageously electric
Motivation is sufficient for proposed requirement scheme.
Provided in other configurations of the present invention, spring bridge 10 that the rod piece 5,6 has, 10', 11 be designed to it is hook-shaped
And present as far as possible flat curved, thus its structure height is reduced as far as possible.In addition, the spring bridge 10,10', 11 axis
Change over its length to face rotary inertia.Therefore, strain disperse as far as possible and uniform can be realized by rod piece 5,6,
And successfully avoid the stress concentration of point-like.Accordingly, it is especially long to be set to the service life for the extension fixture 1.
Two rod pieces 5,6 have opposite swing supporting structure by axis 12, it is made up of fulcrum post 13, the swing
Axis be defined as being axially aligned with actuator articulation piece and substantially spring bridge 10,10', 11 middle ground quadrature transverses in
Adjust movement S.
The spring bridge 10 that integrates, 10', 11 can realize a kind of changeably adjustable conversion ratio or the power successively decreased-
Stroke-spring performance, and do not have to extra parts, flexible multiplication is allowed for, because being acted in the presence of the spring integrally to double.
This is conducive to the motor of cost advantageously in actuator 8 and sets.By spring effect accelerate/advantageously auxiliary loosen into
Journey.Meanwhile it is stuck due to clamping/heat absorption to avoid brake.
In addition, the present invention can realize it is a kind of closely, section space-efficient frame mode, but wherein, remain Gao Rou
Property, and without departing from the limiting range of stress of physics.In addition, according to the present invention extension fixture installation cost it is not high because this for
Ancillary equipment does not have special requirement, is according to the principle of " plug and play " to a certain extent, can very simply replace biography
The rigid extension fixture of system.
Brief description of the drawings
The other details and feature of the present invention are combined to be drawn by the description of attached drawing by dependent claims.
Fig. 1 is shown introduced according to WO in the case where avoiding repeating in order to carry out basic elaboration to elasticity
The elastic extension fixture of 2015/082206 A2；
Fig. 2 is extension fixture schematic block diagram according to the present invention, which has multiple integrated elasticity；
Fig. 3 be according to the present invention, compared with the power-stroke-characteristic curve for being arranged to linear and in decrescence formula it is curved
The schematic diagram of power-stroke-spring characteristic curve；
Fig. 4：The perspective and enlarged drawing of the node configuration of the present invention；And
Fig. 5：The elastic Uc of the elastic Ue (curve for indicating x) of the extension fixture 1 and the regulating element 7 of bracing wire form
Power-the trip map of (curve for indicating o) contrast.
Reference numerals list
1 extension fixture
2 drum brakes
3 brake-shoes
4 brake-shoes
5 (curved) rod pieces
6 (curved) rod pieces
7 operating elements
8 actuators
9 brake drums/brake band
10,10' spring bridges
11 spring bridges
12 axis
13 fulcrum posts
Ax axial directions (wheel rotation axis is parallel)
B (manipulation) extensional motion
F power
Fe expansionary forces
Fc actuators (drawing) power
H height
L length
MMI man-machine interfaces
R radial directions
S adjusts movement
T tangential directions
T thickness
△ u/u relative travels (mobile, elasticity)
Ue flexibilities (extension fixture)
Uc flexibilities (operating element, rope)
△ U1 are reduced by the curved power-formation of degression type-characteristic stroke
Embodiment
Electromechanically manipulates, the drum brake module for being arranged in the axle components of automobile includes bottom according to Fig. 1
The brake-shoe 3,4 of plate 14 and on which floor plate movable support, the brake-shoe are arranged on bottom in brake drum 9 shown partially
The inner side of plate 14.On the back side/outside of bottom plate 14, the actuator 8 of energy electromechanical driving is fixed with, the actuator is according to need
(automatically or manually) to implement to adjust movement S, for manipulating or unclamping the drum brake 2.Transmission mechanism and below
The operating element 7 (bracing wire) of connection adds rod piece-extension fixture 1 (expansion lock Spreizschloss) of floated insertion
Carry, its one side is done so for brake-shoe 3,4 so that these brake-shoes 3,4 can be towards the direction reality of the brake drum 11
The maneuvering motion B of translation is applied, to realize driving and/or parking braking function.Extension fixture 1 is substantially centrally placed on drum
On the axis of formula brake and suspend be placed between the brake-shoe 3,4 of almost symmetry.In double servo drum brakes,
The supporting arrangement of bottom plate fixation diametrically is placed also between the brake-shoe 3,4 with the extension fixture 1 placed that suspends
(so-called bearing support), it is under electromechanical tension and ensuing servo force is established (with the drum brake 9
Specific rotary course) afterwards eventually for support brake force.The transmission mechanism of the actuating system 8 of electromechanical includes
Transmission mechanism shell, the transmission mechanism shell supporting motor.The motor consumes DC voltage, mechanically or
The mode of electronics connects, and is the motor for the type that can be obtained in a manner of cost is not high.There may be and do not show
The electronic control unit gone out, suitable man-machine interface MMI may be present as alternative or additional project, be controlled for outside
System.
Fig. 2 is described below to 5.According to Fig. 2, can motoroperated drum brake system include following parts：1 expansion
Device；2 drum brakes；The opposite brake-shoe 3,4 of (curved) rod piece pair of opposition；5、6；7 operating elements；8 actuators；9 systems
Dynamic drum/brake band；10th, the spring bridge that 10', 11 rod pieces integrate；12 axis；13 fulcrum posts.In order to power, such as actuator 8
The electronic external control of automation, use the electronic control unit ECU of In-vehicle networking.Alternative or additional project be, can
More set active facility, the man-machine interface MMI of such as gesture capture device form, such as touch-screen, switch, button or
Suchlike operating element.
Fig. 3 shows, according to the present invention, successively decrease it is flexibly tuning, there is figure part in main right figure
Extension fixture and tradition-rigidity-contrast of the extension fixture linearly tuned with the primary picture part in left figure,
Provide a kind of obvious more flexible system performance (shorter regulating time, shorter adjusting stroke).
The principle of the embodiment of the mechanical structure core of the present invention comes from Fig. 4.Accordingly, two rod pieces 5,6 are with axis
It is arranged side by side centered on 12 and contrario rotatably supports relative to each other.Two rod pieces 5,6 are basic in a top view to be had
There is identical profile.Accordingly, while instrument cost obtains reduction, can realize a kind of very reasonably by steel sheet material
The stamped of composition.By the way that common fulcrum post 13 to be integrally disposed to the centre of two rod pieces 5,6 to a certain extent,
Single supporting part is set for fulcrum post 13 or receives shell with regard to quite reasonable.The rod piece 5,6 and spring bridge 10,10', 11
Flat adjacent, alternate in the axial direction layered arrangement reduces the structure space needs in its axial direction.
In side view, the extension fixture 1 has the structure of almost symmetry.Between the rod piece 5,6, in certain journey
On degree, define it is a kind of it is placed in the middle, with the perfectly aligned ring of operating element 7, for being hinged for operating element 7.Accordingly, it is driven
Dynamics is that such, centrally arranged (rotation) axis 12 is almost common synchronous during adjusting between two rod pieces 5,6
Ground is linearly raised and lowered with staggering with the regulating element 7, but is not rotated.
In addition, the hook-like shape of the rod piece 5,6 is reduced as follows in its height：I.e. its bending section is in part
On be reinforced, therefore, the rod piece 5,6 is put get Geng Ping, is configured to flattening formula in other words.
The multiple of the rod piece 5,6, the spring bridge 10 that is integrated in the form of saving space-efficient setting, 10', 11 are being tied
The flexibility integrated while putting into reasonable is allowed in the case of structure mode is overall compact to double, and without single zero
Part.Therefore, installation input is reduced.Therefore, space-efficient structure is saved by it, the extension fixture 1 is quite suitable for
Interacted with the wheel braking actuator 8 with the operating element 7 (short tow rope, few flexible) for being arranged to relative stiffness.
Another feature is, the spring bridge 10 of the rod piece 5,6,10', 11 axial face rotary inertia are in its length l
On be change.Therefore, strain disperse as far as possible and uniform can be realized by rod piece 5,6, and successfully avoids point-like
Stress concentration.Accordingly, the extension fixture 1 is set to have very much tolerance.
For the multiplication of characteristic variations, the spring bridge 10,10', 11 can be arranged to parallel, string in different configurations
Connection or hybrid-type connection.The spring bridge 10 that integrates, 10', 11 thus, it is possible to realize a kind of variable adjustable conversion ratio or
Power-formation-the spring performance of person decrescence, and do not have to extra parts, flexible multiplication is allowed for, because there is overall multiplication
Spring effect.This cost set for the motor in actuator 8.Loosened by spring effect acceleration/advantageously auxiliary
Process.Meanwhile it is stuck due to clamping/heat absorption to avoid brake.
In very space-efficient modification is saved, rod piece 5 can in forked be distributed in the axial direction on Ax there are gap portion.
In addition, a kind of embodiment regulation of corresponding construction, there are two with axial distance is relatively parallel, the spring bridge 10 that staggers,
10', the spring bridge are limiting gap/air gap between each other, in the gap formed, are positioning the bullet for the rod piece 6 that opposes
Spring bridge 11.
In the preferred embodiment of the present invention, in addition the extension fixture 1 has nonlinear, spring
Power-stroke-characteristic curve.As such, it is advantageous to avoid known rigid linear power-stroke-function.This can be realized in principle
A kind of tensile force of acceleration is established.On the other hand, the length caused by heat changes to compensate the change of tension force.In ideal situation
Under, thus all spring bridges 10,10', 11 spring performance put aside/spring effect are designed with the increase of tensile force
The formula that must taper off is curved.Therefore, because the requirement that stroke is adjusted to it is restricted, the present invention is conducive to by the flexibility of multiplication
Protect the actuating mechanism 8 of motor force.Therefore, the stand-by time of motor is maximized by the turn-on time of shortening, in other words,
Quickly realize tensile force foundation.Alternative is that one kind sets the very favorable motor foot of simple therefore cost
To meet proposed requirement scheme.
To sum up, the present invention can realize it is a kind of closely, section space-efficient frame mode, and remain height at the same time
Flexibility, and required duty cycle number, i.e. fatigue strength is not a problem yet according to caused by stress concentration.In addition, according to this
The installation cost of the extension fixture of invention is not high, because this does not have special requirement for ancillary equipment, is to a certain extent
There are only a few parts according to the principle of " plug and play ", can very simply replace the extension fixture rigidly set.
Claims (12)
1. one kind is used for the elastic extension fixture (1) of automobile drum brake (2), the extension fixture is arranged in two brakings
Between hoof (3,4), the extension fixture (1) includes two rod pieces (5,6), and described two rod pieces utilize a common axis (12) each other
It is hinged and is each supported on a brake-shoe (3,4), the rod piece (5,6) of the extension fixture (1) and the behaviour of actuator (8)
Vertical element (7) engages, which is used to determine the direction progress parallel-moving type of the brake-shoe (3,4) towards brake drum (9)
To and by being driven converted extensional motion (B), rod piece (5,6) be integrated with can elasticity reversibly in braking tensile force
Under the spring bridge (10) that deforms in prescribed way, it is characterised in that the rod piece (5,6) integrates on the side of its common axis (12)
There are more spring bridges (10,10', 11).
2. extension fixture (1) according to claim 1, it is characterised in that the spring bridge (10,10', 11) reversely sets
Put, parallel set and in the axial direction replace direction be arranged side by side, be grouped setting.
3. extension fixture (1) according to claim 1 or 2, it is characterised in that the spring bridge (10,10', 11) is in power
It is serially connected in stream.
4. extension fixture (1) according to claim 1 or 2, it is characterised in that the spring bridge (10,10', 11) is in power
It is parallel with one another in stream.
5. extension fixture (1) according to claim 1 or 2, it is characterised in that the spring bridge (10,10', 11) is in power
Parallel with one another and series connection in stream.
6. extension fixture (1) according to claim 1 or 2, it is characterised in that by making rod piece (5) that there are two with one
The spring bridge (10,10') that distance mutually staggers parallel is so as to limit the mode in a gap, and in axial direction Ax is to the rod piece (5)
Divided, wherein, the spring bridges (11) of adjacent rod piece (6) is received in the gap.
7. extension fixture (1) according to claim 1 or 2, it is characterised in that the extension fixture (1) has non-linear
, power-stroke-characteristic curve of spring.
8. extension fixture (1) according to claim 7, it is characterised in that the power-stroke-characteristic curve is arranged to
Bent with the increase for putting forth effort F relative to stroke u decrescence formulas.
9. extension fixture (1) according to claim 1 or 2, it is characterised in that the rod piece (5,6) and the spring bridge
(10,10', 11) are designed to bend hook-shaped and flat-shapedly.
10. extension fixture (1) according to claim 1 or 2, it is characterised in that the axis of the spring bridge (10,10', 11)
To face rotary inertia change over its length.
11. extension fixture (1) according to claim 1 or 2, it is characterised in that the face of the spring bridge (10,10', 11)
The change of rotary inertia is limited by the thickness t remained unchanged under the height h of change.
12. extension fixture (1) according to claim 1 or 2, it is characterised in that described two rod pieces (5,6) are in order to limit
The axis (12) and receiving a fulcrum post (13) between each other, the axis (12) of the fulcrum post is axial with the operating element (7)
Alignment, and be substantially centrally limited between spring bridge (10,10', 11), and orthogonally (S) is moved transverse to adjusting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016203337.9 | 2016-03-01 | ||
| DE102016203337 | 2016-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349318U true CN207349318U (en) | 2018-05-11 |
Family
ID=59651123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720474092.6U Active CN207349318U (en) | 2016-03-01 | 2017-03-01 | Elastic extension fixture for automobile drum brake |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207349318U (en) |
| DE (1) | DE102017203270A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018197554A (en) * | 2017-05-22 | 2018-12-13 | 豊生ブレーキ工業株式会社 | Electric drum brake |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5960534B2 (en) | 2012-07-27 | 2016-08-02 | 曙ブレーキ工業株式会社 | Drum brake type electric parking brake device |
| DE102014204769A1 (en) | 2013-12-06 | 2015-06-11 | Continental Teves Ag & Co. Ohg | Electromotive operable drum brake module |
-
2017
- 2017-03-01 CN CN201720474092.6U patent/CN207349318U/en active Active
- 2017-03-01 DE DE102017203270.7A patent/DE102017203270A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017203270A1 (en) | 2017-09-07 |
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